| 1. |
- Eriksson, Helena, 1965-
(författare)
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Att utveckla algebraiskt tänkande genom lärandeverksamhet : En undervisningsutvecklande studie i flerspråkiga klasser i grundskolans tidigaste årskurser
- 2021
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Doktorsavhandling (övrigt vetenskapligt/konstnärligt)abstract
- The aim of this thesis is to develop and explore teaching possible to promote algebraic thinking together with young, multilingual students six to twelve years old. One underlying assumption for the aim is that algebraic thinking can be developed by students participating in learning activities that are characterized by collective mathematical reasoning on relations between quantities of positive whole and rational numbers. Two overall research questions support this work: (1) What in students work indicate algebraic thinking identified in learning activities and as experiences of algebraic thinking? (2) How can learning models manifest in learning activity, in what ways do learning models change and enhance, and which characteristics of learning actions are enabled? Data was produced by interviews and from research lessons with students in lower grades in a multilingual Swedish school. The research lessons were focused on learning activity as suggested by Davydov (1990, 2008/1986), aimed at developing theoretical thinking – here algebraic thinking. They were staged in two research projects conducted as networks of learning studies. In these learning studies, the group of teachers iteratively designed and revised learning activities whereby the students could identify mathematical knowledge and collectively solve mathematical problems. The findings in the articles signal that learning models were developed as rudimentary, preliminary, prototypical and finally symbolic. Rudimentary models were grounded in algebraic thinking when the students analysed problem situations and identified the problem. Preliminary and prototypical models were developed by initiating and formalising actions understood as algebraic thinking. Different tools were initiated by the students and the teachers. These tools were formalised by the students. The students used algebraic symbols and line-segments to think together when comparing different quantities (Article 2). They carried out operations using unknown quantities when reflecting on additive and multiplicative relationships (Article 3). The students also used algebraic symbols to reflect on subtraction as non-commutative (Article 3). The different tools they used interacted on different levels of generalisation (Article 1). Algebraic thinking grounded the students reflections but interacted with, for example, fractional thinking in their arguments during the development of their learning models (Article 4). The different ways of thinking interacted in arguments when developing the rudimentary, the preliminary and the prototypical models. However, in the conclusion of their collective reasoning and in the development of the symbolic learning models, these different ways of thinking were intertwined in the same arguments (Article 4).As a conclusion, the four articles signal that learning models including algebraic symbols developed in a learning activity can be used by newly-arrived immigrant students to reflect on structures of numbers.
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| 2. |
- Ahlstedt, Carina, et al.
(författare)
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Flourishing at work : Nurses' motivation through daily communication - An ethnographic approach
- 2020
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Ingår i: Nursing and Health Sciences. - Australia : John Wiley & Sons. - 1441-0745 .- 1442-2018. ; 22:4, s. 1169-1176
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Tidskriftsartikel (refereegranskat)abstract
- Shortage and turnover of registered nurses are worldwide challenges, and work motiva-tion is one factor in retaining staff in the healthcare sector. The aim of this study was toexplore registered nurses' motivation expressed in daily communication, using the basicneeds in self-determination theory as a framework. A secondary analysis of ethno-graphic data, collected through participant observations, informal interviews duringobservations, and individual interviews, was used. A total sample of all registered nursesemployed at a hospital unit in Sweden (n = 10) participated. The data were analyzed the-matically through the lens of the basic needs in self-determination theory: autonomy,competence, and relatedness. Self-regulation of learning, the possibilities to discuss work-related challenges with colleagues, and having registered nurses lead dialogues with phy-sicians were factors connected to autonomy. Having a registered nurse and physiciansolve problems together was a factor connected to competence.Asenseofbelongingand security in a permissive climate between registered nurses was co nnected to relat-edness. This paper has implications for increased awareness of the three basic motiva-tional needs, which could be used in the development of attractive workplaces
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| 3. |
- Eriksson, Helena
(författare)
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Rationella tal som tal : Algebraiska symboler och generella modeller som medierande redskap
- 2015
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Licentiatavhandling (övrigt vetenskapligt/konstnärligt)abstract
- In this study the teaching of mathematics has been developed in relation to rational numbers and towards a learning activity. At the same time topic-specific mediated tools have been studied. The iterative model for learning study has been used as research approach.The purpose of the study was to explore what in an algebraic learning activity enables knowledge of rational numbers to develop. The specific questions answered by the study are how an algebraic learning activity can be formed in an otherwise arithmetic teaching tradition, what knowledge is mediated in relation to different mediated tools and what in these tools that enable this knowledge.The result of the study shows how an algebraic learning activity can be developed to support the students to understand rational numbers even in an arithmetic teaching tradition. The important details that developed the algebraic learning activity were to identify the problem to create learning tasks and the opportunity for the students to reflect that are characteristic of a learning activity. The result also shows that the mediating tools, the algebraic symbols and the general model for fractional numbers, have had significant importance for the students' possibilities to explore rational numbers. The conditions for the algebraic symbols seem to be the possibilities for these symbols to include clues to the meaning of the symbol and that the same symbol can be used in relation to several of other mediated tools. The conditions in the general model consisted of that the integer numbers and the rational numbers in the model could be distinguished and that the students could reflect on the meaning of the different parts. The general model consists of the algebraic symbols, developed in the learning activity. The algebraic symbols make the structure of the numbers visible and the general model mediates the structure of additive and multiplicative conditions that are contained in a rational number.The result of the study contributes in part to the field of mathematics education research by examining Elkonin's and Davydov's Mathematical Curriculum in a western teaching practice and in part to a development of the model of Learning study as a didactical research approach by using an activity-theoretical perspective on design and analysis.
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| 4. |
- Florin, Ulrika, 1964-
(författare)
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Från idé till gestaltningsförslag : fallstudie från Projekt Konstpaus
- 2010
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Licentiatavhandling (övrigt vetenskapligt/konstnärligt)abstract
- Populär sammanfattning I vårt samhälle finns många offentliga konstverk. Dessa verk har kommit till på olika sätt men gemensamt är att konstverken i de allra flesta fall upphandlats med utgångspunkt i någon form av skiss. Skissen föregår det kommande konstverket och tjänar som underlag för beslut om upphandling av verket i full skala. Kunskapen om hur skisser kan tydas varierar och dessutom förekommer flera typer av skisser som var för sig fordrar olika sorters insikter av betraktaren (beslutsfattaren) för att kunna tolkas. Det övergripande temat för avhandlingen är kommunikationsprocesserna i relation till utvecklingen av 12 konstnärers gestaltningsförslag, tävlingsbidrag, samt hur juryns bedömning av dessa ser ut. Studien är baserad på material insamlat från de deltagande konstnärernas processer i Projekt Konstpaus, ett projekt delfinansierat av EU. Syftet med studien är att öka förståelsen för hur konstnärer utformar sina gestaltningsförslag, samt hur dessa förslag används och värderas. För att göra detta har tävlingsbidragen analyserats och konstnärerna intervjuats. Konstnärliga gestaltningsprocesser har synliggjorts liksom kommunikationen mellan beställare och konstnär.Bland annat har det framkommit att det finns en större potential att förmedla ett komplext gestaltningsinnehåll till en jury med stöd av digitala skisser, än vid användande av traditionella skisser. Det har visat sig att det kommande konstverkets kvaliteter blir synliga, men också att de brister som finns i gestaltningen tydliggörs i 3D- skisserna. Liksom teknologier tidigare i historien haft sin påverkan på bildutvecklingen, tolkningen och seendet har också övergången till digitala skisstekniker denna inverkan. Det har också visat sig att den text som tillhör respektive tävlingsbidrag haft avgörande betydelse för utfallet av jurybedömningen. Muntliga och skriftliga presentationer, bilagor och brev har påverkat juryn i sina beslut.Studien har också visat hur konstnärer kan tolka och förmedla resultat av en inventering och genom sina skisser förmedla dessa tolkningar. Konsten som tolkare av miljö, tid och tanke, kan gestalta information om en plats och i och med detta också fungera värnande för ett samhälles identitet i olika faser av en utveckling.Studien har bidragit med en djupare inblick i konstnärliga gestaltningsprocesser och hur de kan beskrivas samt i och med detta också en fördjupad förståelse i allmänhet av kreativa processer.
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| 5. |
- Fred, Jenny
(författare)
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Att etablera och upprätthålla ett algebraiskt arbete i årskurs 2 och 3 : En undervisningsutvecklande studie med matematiska mönster som innehåll
- 2019
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Licentiatavhandling (övrigt vetenskapligt/konstnärligt)abstract
- Syftet med denna licentiatuppsats är att undersöka aspekter i undervisningen som skapar förutsättningar för att elever i yngre åldrar (årskurs 2 och 3) ska engageras i ett algebraiskt arbete. Learning study har använts som metod (ansats) för att producera data. Ett forskarlag bestående av två grundskollärare i matematik och en lärarforskare har i learning study-processen arbetat i en kolloborativ och intervenerande process. I designen och analysen har Davydovs lärandeverksamhets teori, variationsteorin och Radfords definition av algebraiska mönstergeneraliseringar använts som teoretiska utgångspunkter. Det empiriska datamaterialet består av (1) videoinspelade intervjuer med åtta elever samt transkriptioner av dessa; (2) videoinspelningar av tre forskningslektioner; (3) lektionsplaneringar; (4) synopsis av videoinspelade forskningslektioner; (5) transkriptioner av delar av forskningslektioner. Resultatet består av tre identifierade kritiska aspekter som elever kan behöva urskilja för att kunna uttrycka och argumentera för en mönstergeneralisering algebraiskt: (a) att urskilja relationen mellan ett elements position och antalet komponenter; (b) att urskilja hur man kan använda relationen mellan ett elements position och antalet komponenter för att förutsäga ett godtyckligt element i mönstret; (c) att urskilja konstanten (den komponent som inte ändras utan är densamma i samtliga element) i mönstret. Resultatet ger även exempel på vilka funktioner de lärandeverksamhetsteoretiska principerna (Davydov), problemsituation, lärandemodell och motsättningar, kan ha för att ett algebraiskt arbete ska etableras och upprätthållas. Vidare kan resultatet bidra till att fördjupa förståelsen gällande vad det innebär att kunna uttrycka och argumentera för mönstergeneraliseringar algebraiskt i yngre åldrar. Resultatet kan även bidra till kunskap som kan användas av lärare för att iscensätta och realisera en undervisning inom ramen för early algebra.
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| 6. |
- Ahlstedt, Carina, 1969-, et al.
(författare)
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What makes registered nurses remain in work? : An ethnographic study
- 2019
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Ingår i: International Journal of Nursing Studies. - : Elsevier Ltd. - 0020-7489 .- 1873-491X. ; 89, s. 32-38
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Tidskriftsartikel (refereegranskat)abstract
- Background: Registered nurses’ work-related stress, dissatisfaction and burnout are some of the problems in the healthcare and that negatively affect healthcare quality and patient care. A prerequisite for sustained high quality at work is that the registered nurses are motivated. High motivation has been proved to lead to better working results. The theory of inner work life describes the dynamic interplay between a person's perceptions, emotions and motivation and the three key factors for a good working life: nourishment, progress and catalysts. Objectives: The aim of the study was to explore registered nurses’ workday events in relation to inner work life theory, to better understand what influences registered nurses to remain in work. Design: A qualitative explorative study with an ethnographic approach. Methods: Participant observation over four months; in total 56 h with 479 events and 58 informal interviews during observation; all registered nurses employed at the unit (n = 10) were included. In addition, individual interviews were conducted after the observation period (n = 9). The dataset was analysed using thematic analysis and in the final step of the analysis the categories were reflected in relation to the three key factors in theory of inner work life. Results: Nourishment in a registered nurse context describes the work motivation created by the interpersonal support between colleagues. It was important to registered nurses that physicians and colleagues respected and trusted their knowledge in the daily work, and that they felt comfortable asking questions and supporting each other. Progress in the context of registered nurses’ work motivation was the feeling of moving forward with a mix of small wins and the perception of solving more complex challenges in daily work. It was also fundamental to the registered nurses’ development through new knowledge and learning during daily work. Catalysts, actions that directly facilitate the work, were highlighted as the possibility to work independently along with the opportunity to work together with other registered nurses. Conclusion: This study has a number of implications for future work and research on creating an attractive workplace for registered nurses. Working independently, with colleagues from the same profession, integrated with learning, visible progress, and receiving feedback from the work itself, contribute to work motivation.
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| 7. |
- Bannbers, Elin, 1984-
(författare)
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The Effect of Steroid Hormones in the Female Brain During Different Reproductive States
- 2012
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Doktorsavhandling (övrigt vetenskapligt/konstnärligt)abstract
- Women are twice as likely as men to suffer from depression and anxiety disorders and have an increased risk of onset during periods associated with hormonal changes, such as the postpartum period and the menopausal transition. Furthermore, some women seem more sensitive to normal hormone fluctuations across the menstrual cycle, since approximately 3-5% suffers from premenstrual dysphoric disorder (PMDD). Why these disorders are so common in women has not been established but there is a probable involvement of the ovarian hormones.The aim of this thesis was to investigate the effect of the ovarian hormones on the female brain during different reproductive states using psychological tests known to affect brain activity in different ways.Paper one examined the effect of the ovarian hormones on prepulse inhibition (PPI) on the acoustic startle response (ASR) and comprised cycling women and postmenopausal women. The cycling women had lower levels of PPI compared to postmenopausal women and postmenopausal women with moderate estradiol levels had lower PPI compared to postmenopausal women with low estradiol levels.Paper two examined the effect of anticipation and affective modulation on the ASR in women with PMDD and healthy controls. Women with PMDD have an increased modulation during anticipation of affective pictures compared to healthy controls during the luteal phase of the menstrual cycle.Paper three examined brain activity during response inhibition among women with PMDD and healthy controls by the use of a Go/NoGo task and fMRI. Women with PMDD displayed a decreased activity in the left insula during follicular phase and an increased activity during the luteal phase compared to controls.Paper four comprised women in the postpartum period and non-pregnant controls to examine brain activity during response inhibition. While this study revealed decreased activity at 4 weeks postpartum compared to 48 hours postpartum we cannot ascertain the role of the ovarian steroids, since none of the significant brain areas correlated with ovarian steroid or neurosteroid serum concentrations.The results of this thesis demonstrate that the ovarian hormones, or at least various hormonal states, have a probable impact on how the female brain works.
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| 8. |
- Berglund, Ingrid, 1954-
(författare)
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Byggarbetsplatsen som skola - eller skolan som byggarbetsplats? : En studie av byggnadsarbetares yrkesutbildning
- 2009
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Doktorsavhandling (övrigt vetenskapligt/konstnärligt)abstract
- The issue of this dissertation is the relationship between Vocational Education and Training (VET) in general and VET for building and construction in particular, as well as implications of the fact that Swedish VET is carried out both in school and in working life. Vocational construction education includes a three year Construction Programme at upper secondary school followed by two to three years of on-the-job training in the construction industry. In this case study of an upper secondary Construction Programme, the school based daily instruction as well as work based training, is explored and documented. These constitute a base for descriptions and analysis of education as a whole from the perspective of Cultural Historical Activity Theory (CHAT). The aim of the analysis is to identify the main motives for vocational construction education. The case study results are further based on descriptions and CHAT-analyses of the historical development of construction work as well as of Swedish VET in general and of vocational construction area in particular. The case study illustrates that two activities form vocational construction education; the dominating activity being construction production, and school-activity. The terms of construction industry seem to greatly determine the realisation of the school based construction production activity. E.g. teamwork is emphasised in both activities. The school activity is marked by the implementation of infusion of core subjects by vocational subjects, aimed at preparing the students for continued professional development in the trade. The conclusion drawn here is that the new Swedish apprenticeship seems to contribute to a narrow professional knowledge base, whereas the use of infused core subjects seems to contribute to a broader professional knowledge base.
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| 9. |
- Dessen Jankell, Lotta, 1970-
(författare)
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Förstå verkligheten som system : - att utveckla gymnasieelevers systemgeografiska kunnande genom geografiundervisning
- 2023
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Doktorsavhandling (övrigt vetenskapligt/konstnärligt)abstract
- This doctoral thesis is concerned with how upper secondary students in Sweden develop system geographical knowing through Geography teaching, where complex issues such as climate change are dealt with. In many countries, these issues are particularly relevant for the school subject of Geography since the subject is responsible for issues that involve system changes. These issues involve a complex web of aspects and dimensions so it is challenging for students to develop indepth holistic understandings. Commonly, students are left alone to synthesise the various parts into a whole. Systems thinking is suggested as an approach to dealing with these challenges, but there is little research on what such thinking implies in Geography teaching, or what students need to experience to develop this knowing. This educational design study departs from practice theory to explore and broaden systems thinking in Geography teaching by introducing a model task with connection web models that combine system dynamic causality, soft systems thinking, and spatial dimensions in a new way. The model task was developed and tested empirically in two upper secondary schools in Sweden. Research data consist of interviews and recordings of the students’ work with connection web models as a way of exploring complex issues. Findings from the study are presented in four peer-reviewed articles that together answer the two research questions: i) what does it mean to become system geographically knowledgeable when managing complex geographical issues? and ii) how can Geography teaching be designed to develop students’ system geographical knowing? Article I proposes a subject didactic model where the systems concept and other geographical concepts were used as organising tools to design Geography teaching. The model was developed in collaboration with Geography teachers and was used for designing the teaching interventions in the present study. Article II contributes findings from a series of lessons where the connection web model was introduced and presents four qualitatively different aspects of knowing that are critical for students to be able to use the model. For instance, being able to discern different causal characters of connections, to use place and scale as analytical tools, and to interpret the holistic pattern of interwoven connections. Article III analyses three different teaching designs and presents four design principles that teachers can use to support the development of the students’ system geographical knowing and overcome challenges that have been identified. Article IV presents findings about how the students experience the phenomenon of using the connection web models as a way of managing complex issues. Three different ways of experiencing the phenomenon are presented as well as critical aspects that students need to experience to qualify their knowing. This doctoral thesis broadens the view on what systems thinking can mean in the integrated and spatial school subject of Geography and contributes didactic models for teachers and researchers to use to develop the students’ knowing. The study argues that system geographical knowing is relevant for students to better understand complex issues concerning system changes. Finally, it is argued that connection web models have the potential to function as learning models if the model work is considered as a long-term process.
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| 10. |
- Eriksson, Katarina
(författare)
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Bacterial Vaginosis : Diagnosis, Prevalence, and Treatment
- 2011
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Doktorsavhandling (övrigt vetenskapligt/konstnärligt)abstract
- Bacterial Vaginosis (BV) is a disorder of unknown etiology, characterized by a foul smelling vaginal discharge, loss or reduction of the normal vaginal Lactobacilli, and overgrowth of other anaerobic bacteria. Thus, it presents a formidable problem for clinicians as well as microbiologists researching its etiology, clinical course, treatment, and epidemiology. The present work focuses on the unresolved issues of the epidemiology and treatment of BV in order to provide valid methods for treatment studies of this condition and to describe the prevalence of BV in defined populations.The first study validates the use of PAP-stained smears in the diagnosis of BV. The study assesses the methods of Amsel’s clinical criteria and Nugent criteria on Gram-stain smears, against Pap-stained smears and also validates different observers. The result shows that the PAP-staining of vaginal smears is a good method in BV diagnosis; the kappa value is 0.86 (interobserver weighted kappa index) compared to 0.81 for Gram-stained smears, and 0.70 for rehydrated air-dried smears using the mean Nugent score as the criterion standard. This enables population based studies on archived PAP-stained smears from the screening of cervical cancer.In the second study, we use the knowledge gained from study one to investigate the prevalence of BV in a cohort from the population of Åland. The prevalences of BV on the Åland Islands were: 15.6 %, 11.9 %, 8.7 %, and 8.6% in 1993, 1998, 2003, and 2008, respectively. This means that the prevalence of BV decreased between1993-2008 from 15.6% to 8.6%. The confidence intervals are not overlapping, thus indicating a significant decrease in prevalence from 1993 to 2008.The third study is a prospective, double-blind placebo controlled treatment study of BV. After conventional treatment with clindamycin, the patients were treated with adjuvant treatment of Lactobacilli-loaded tampons or placebo. The study showed no differences between the treatment and the placebo group, indicating that the tampon does not work at all. There are a variety of possible explanations for the result, which are analyzed in this thesis.The fourth study aimed to evaluate whether clindamycin is retained for a long time in the vaginal mucosa, thus disturbing the Lactobacilli in an attempt to reimplant Lactobacilli in the probiotic treatment studies. In conventional treatment, it is also useful to know whether clindamycin is retained, especially when considering the pressure from antibiotics on the antimicrobial sensitivity pattern. In the study, we found that the clindamycin disappears rapidly.Conclusion: BV research requires effort from many different scientific disciplines and the riddle of this condition and its treatment can only be resolved by concerted actions in research and treatment. The vision for the future includes, among other factors, better molecular biology based diagnostic tools, and knowledge of population based bacterial floras.
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